CN102420802A - Method and system for accessing circuit switch domain call through visited IMS (IP Multimedia System) access point - Google Patents
Method and system for accessing circuit switch domain call through visited IMS (IP Multimedia System) access point Download PDFInfo
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- CN102420802A CN102420802A CN2010102956257A CN201010295625A CN102420802A CN 102420802 A CN102420802 A CN 102420802A CN 2010102956257 A CN2010102956257 A CN 2010102956257A CN 201010295625 A CN201010295625 A CN 201010295625A CN 102420802 A CN102420802 A CN 102420802A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
- H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
- H04M7/1225—Details of core network interconnection arrangements
- H04M7/123—Details of core network interconnection arrangements where the packet-switched network is an Internet Protocol Multimedia System-type network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
- H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
- H04M7/1225—Details of core network interconnection arrangements
- H04M7/1235—Details of core network interconnection arrangements where one of the core networks is a wireless network
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Abstract
The invention discloses a method for accessing a circuit switch domain call through a visited IMS (IP Multimedia System) access point, comprising the following steps: a mobile switch center (MSC) or user equipment (UE) inquiries a service continuity and centralization application server (SCCAS) the visited IMS (IP Multimedia System) control point (VICP) information of a calling subscriber, or obtains the VICP information according to a number or an identifier of the calling subscriber, and the MSC or the UE transmits a calling message via the VICP corresponding to the VICP information. The invention also discloses a system for accessing the circuit switch domain call through the visited IMS access point, which is used for implementing the method. According to the invention, when the UE initiates a call at a CS (Circuit Switch) domain, the access capability of a visited ISM can be used, so that occupation to CS long-distance link resources is reduced to a certain extent.
Description
Technical field
The present invention relates to circuit switching (CS; Circuit Switch) call out through visit ground IP Multimedia System (IMS in the territory; IP Multimedia Core Network Subsystem) technology of access point access relates in particular to a kind of circuit commutative field and calls out the method and system through the IMS access point access of visit ground.
Background technology
IP Multimedia System (IMS; IP Multimedia Core Network Subsystem) be by third generation partner program (3GPP; 3rd Generation Partnership Project) a kind of IP-based network framework that proposes; Made up an opening and service environment flexibly, supported multimedia application, can abundant multimedia service be provided for the user.
In the IMS business system, key-course separates with operation layer, and key-course does not provide concrete business, and functions such as necessary triggering, route, charging only are provided to operation layer.
Service trigger and controlled function are to be accomplished by call conversation control function entity (CSCF, CallSession Control Function) in the key-course.CSCF mainly contains: proxy call conversation control function entity (P-CSCF; Proxy-CSCF), query call conversation control function entity (I-CSCF; Interrogating-CSCF) and service call session control function entity (S-CSCF, Serving-CSCF) three types, wherein; The S-CSCF function is necessary, and I-CSCF is optional.
Operation layer is to be made up of a series of application servers (AS, Application Server), and concrete business service can be provided, and AS can be an independent entity, also may reside among the S-CSCF.
Key-course (S-CSCF) calls the business on the AS according to user's CAMEL-Subscription-Information control service trigger, realizes business function.
End-to-end equipment in the session is called subscriber equipment (UE, User Equipment), be responsible for UE user between alternately.UE has the mode of multiple access network, comprises packet switch (PS, Packet Switch) the territory access network through 3GPP, or the PS territory access network through other non-3GPP, even can be through circuit switching (CS, Circuit Switch) territory access network etc.When IMS user inserted in the CS territory and makes a call, its call signaling need be routed to the IMS territory of user attaching, thereby service was provided for the user.
To be the existing IMS user work the flow chart when exhaling at CS to Fig. 1, as shown in Figure 1, described IMS user equipment (UE)-1 is called out UE-2 in the CS territory application scenarios, comprises the steps:
Step 101, UE-1 calls out UE-2 in the CS territory, be foundation (SETUP) message of called transmission CS signaling such as the number A with UE-2.
Step 102; Message related to calls arrives the (MSC of mobile switching centre; Mobile Switching Center), MSC is to home network, promptly to business continuously and pooled applications server (SCC AS; Service Centralizationand Continuity Application Server) request IMS routing number; Send a request message such as intelligent network (IN, Intelligent Network) mode or CAMEL (the Customized Application for Mobile NetworkEnhanced Logic) mode of pressing, carry number A.
Step 103, request message arrives SCC AS, and SCC AS returns IMS routing number B, and this number B points to SCC AS.
Step 104, MSC is redirected to number B with calling, is that called transmission is called out with number B promptly, such as initial address message (IAM, the Initial Address Message) message or invitation (INVITE) message of sending the CS signaling.
Step 105; Because number B is the number of home network; Therefore the CS signaling can be routed to the MGCF entity (MGCF of home network; Media Gateway Control Function), MGCF transmits after the CS signaling is translated into the IMS signaling, and the message related to calls of IMS finally arrives SCC AS through the route of CSCF.
Step 106, because number B is the redirect number of distributing for number A, so SCC AS can obtain number A through called number B.
Step 107, the target of the redirected message related to calls of receiving of SCC AS are that the number A of UE-2 transmits then.
Step 108～109, the UE-2 answering call returns the response message of IMS, and such as sending " 200OK " message, message is through CSCF and SCC AS arrival MGCF.
Step 110～111, MGCF translates into the response message of CS signaling with the IMS response message, such as response message (ANM, Answer Message) or " 200OK ", is transmitted to MSC then.
Step 111, MSC sends to UE-1 with response message.
So far, set up conversation between UE-1 and UE-2, wherein the CS media path is connected to the home network of UE-1 from the visit net of UE-1.
The weak point of prior art is, even the visit net of UE-1 has the IMS network accessibility, the calling that UE-1 initiates in the CS territory can not used the IMS network accessibility of the visit net of UE-1 yet, thereby has taken the long distance link resource of CS.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of circuit commutative field to call out the method and system that insert through visit ground IMS access point, can call out access through visit ground IMS access point to the calling that initiate in the CS territory.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of circuit commutative field is called out the method that inserts through visit ground IMS access point, comprising:
MSC or UE be to SCC AS inquiry calling subscriber's IMS control point, visit ground (Visited IMSControl Point is called for short VICP) information, or obtain VICP information according to said calling subscriber's number or sign; Said MSC or UE send message related to calls through the corresponding VICP of said VICP information.
Preferably, said calling subscriber's number carries VICP information, or comprises VICP information in said calling subscriber's the sign.
Preferably, said VICP information is the VICP number, and/or the VICP sign, and/or is used to find the index of VICP.
Preferably, said VICP information to SCC AS inquiry calling subscriber is specially:
Said MSC sends said calling subscriber's number or identification information through Intellight network mode or CAMEL mode; Or said MSC or UE use the IMS signaling to send said calling subscriber's number or identification information; After said calling subscriber's number or identification information arrive said SCC AS; The VICP information that said SCC AS confirms said calling subscriber according to said calling subscriber's number or identification information, and return to said MSC or UE.
Preferably, said UE is specially to said SCC AS inquiry calling subscriber's VICP information:
Said UE uses the IMS signaling to send message to said SCC AS, and said message is through VICP;
After said message arrived said SCC AS, said SCC AS returned the information of said VICP and gives said UE.
Preferably, said MSC or UE are specially through the corresponding VICP transmission message related to calls of said VICP information:
Said MSC or UE send with said VICP number or are designated the message related to calls of target, or send the message related to calls that requires through said VICP;
After said VICP receives said message related to calls, transmit said message related to calls.
Preferably, after said SCC AS received said message related to calls, when the target of confirming said message related to calls was said VICP, the target that said SCC AS is redirected said message related to calls was called number or sign.
Preferably, said VICP shifts controlled function entity (ATCF, Access TransferControl Function) for visit; Or P-CSCF; Or mutual boundary Control functional entity (IBCF, InterconnectionBorder Control Function), or has the MSC of IMS access function.
A kind of circuit commutative field is called out the system that inserts through visit ground IMS access point, comprises MSC, VICP and SCC AS; Wherein,
MSC is used for the VICP information to SCC AS inquiry calling subscriber, or obtains VICP information according to said calling subscriber's number or sign, and sends message related to calls through the corresponding VICP of said VICP information;
VICP is used to transmit said message related to calls.
Preferably, said system also comprises UE, is used for the VICP information to SCC AS inquiry calling subscriber, or obtains VICP information according to said calling subscriber's number or sign, and sends message related to calls through the corresponding VICP of said VICP information.
Preferably, said SCC AS, be used to receive said message related to calls after, when the target of confirming said message related to calls was said VICP, the target that is redirected said message related to calls was called number or sign.
Preferably, said MSC further sends said calling subscriber's number or identification information through Intellight network mode or CAMEL mode, or said MSC or UE use the IMS signaling to send said calling subscriber's number or identification information;
After said calling subscriber's number or identification information arrive said SCC AS, the VICP information that said SCC AS further confirms said calling subscriber according to said calling subscriber's number or identification information, and the information of returning VICP is given said MSC or UE.
Preferably, said VICP is ATCF, or P-CSCF, or IBCF, or has the MSC of IMS access function.
Among the present invention, MSC or UE be to SCC AS inquiry calling subscriber's VICP information, or obtain VICP information according to said calling subscriber's number or identification information, and said MSC or UE are through the corresponding VICP transmission message related to calls of said VICP information.Among the present invention, when UE makes a call in the CS territory, can use the IMS access capability on visit ground, reduce taking to a certain extent CS long distance link resource.
Description of drawings
To be the existing IMS user work the flow chart when exhaling at CS to Fig. 1;
Fig. 2 calls out the flow chart of the method embodiment one that inserts through visit ground IMS access point for circuit commutative field of the present invention;
Fig. 3 calls out the flow chart of the method embodiment two that inserts through visit ground IMS access point for circuit commutative field of the present invention;
Fig. 4 calls out the flow chart of the method embodiment three that inserts through visit ground IMS access point for circuit commutative field of the present invention;
Fig. 5 calls out the flow chart of the method embodiment four that inserts through visit ground IMS access point for circuit commutative field of the present invention.
Embodiment
Basic thought of the present invention is, MSC or UE be to SCC AS inquiry calling subscriber's VICP information, or obtains VICP information according to said calling subscriber's number or identification information, and said MSC or UE are through the corresponding VICP transmission message related to calls of said VICP information.
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
Embodiment one
Fig. 2 calls out the flow chart of the method embodiment one that inserts through visit ground IMS access point for circuit commutative field of the present invention; As shown in Figure 2, in this example, calling subscriber equipment is that UE-1, called subscriber equipment are UE-2; Wherein, The user of UE-1 is the user of IMS, initiates the calling to UE-2 through the CS territory, and MSC does not support the IMS signaling.The circuit commutative field of this example is called out the method that inserts through visit ground IMS access point and is specifically comprised the steps:
Step 201, UE-1 calls out UE-2 in the CS territory, be the SETUP message of called transmission CS signaling such as the number A with UE-2; Here, UE-1 place network is an access zone network, if not roaming of UE-1, then access zone network is the home network of UE-1.
Step 202; The SETUP message of calling out arrives MSC; MSC is to calling subscriber's SCC AS request IMS routing number; Such as the request message that sends request IMS routing number with IN mode or CAMEL mode, the number or the sign (such as international mobile terminal identification IMSI or International Mobile Station Equipment Identification IMEI) of carrying number A and the UE-1 of UE-2 in this request message.
Step 203 after SCC AS receives the request message of IMS routing number, according to the number of UE-1 or be designated this call distribution IMS routing number B, and sends to MSC; This number B points to VICP.
Step 204, MSC is redirected to number B with current calling after receiving IMS routing number B; Be that the called VICP that points to number B sends message related to calls promptly, send the IAM message or the INVITE of CS signaling such as the VICP that points to VICP number B, because number B is the number that points to VICP with number B; Therefore the CS signaling can be routed to VICP; If MSC is an IAM message to the message related to calls that VICP sends, then this message can be passed through MGCF and after being converted into INVITE, is transmitted to the VICP that number B points to again; If the message related to calls that MSC sends is an INVITE, then can directly send to the VICP that number B points to.
Step 205, VICP sends to calling subscriber's home network with message related to calls, and such as the INVITE that sends the IMS signaling, this INVITE is a target with number B.
Step 206; After CSCF received the message related to calls of VICP transmission, CSCF was routed to SCC AS according to the setting of existing protocol with message related to calls; Because number B is the redirect number of distributing for number A; Therefore, by prior art, SCC AS can obtain number A and/or the CSI called subscriber identification relevant with number A through called number B.
Step 207, SCC AS is number A or the sign of UE-2 by the target that prior art is redirected the message related to calls of receiving, and transmits received message related to calls.
Step 208～209, the UE-2 answering call returns the response message of IMS, and such as sending " 200OK " message, " 200OK " message is through CSCF and SCC AS arrival VICP.
Step 210, VICP is transmitted to MSC with response message, such as sending " 200OK " message, if the MSC transmission is IAM message, after then IAM message can be translated into ANM by MGCF, redispatches to MSC.
Step 211, MSC sends to UE-1 with response message.
So far, set up conversation between UE-1 and UE-2.Among the present invention, because the CS media path only in the visit net of UE-1, therefore, can not take CS long distance link resource.
Embodiment two
Fig. 3 calls out the flow chart of the method embodiment two that inserts through visit ground IMS access point for circuit commutative field of the present invention; As shown in Figure 3; The application scenarios of this example is; MSC supports the IMS signaling, and comprises VICP information (prefix part such as the number of UE-1 can be used for index VICP) in the number information of UE-1, and IMS user equipment (UE)-1 is called out UE-2 in the CS territory.The circuit commutative field of this example is called out the method that inserts through visit ground IMS access point and is specifically comprised the steps:
Before following call handling process began, MSC may obtain number and/or the sign of VICP according to the VICP information (like aforesaid number information prefix part) that comprises in the number of UE-1 or sign (such as the global resource sign URI) information.
Step 301, UE-1 calls out UE-2 in the CS territory, be the SETUP message of called transmission CS signaling such as the number A with UE-2;
Step 302, call request arrive MSC, if MSC does not obtain number and/or the sign of VICP as yet, then MSC obtains number and/or the sign of VICP according to the VICP information (like aforesaid number information prefix part) that comprises in the number of UE-1 or the identification information;
Step 303; MSC converts the message related to calls of CS signaling the message related to calls of IMS signaling into, and is redirected to VICP according to number or the sign of the VICP that obtains, such as with the VICP number or be designated target and send INVITE; Carry called number A in the INVITE; Be the number of UE-2, or require message related to calls, such as the number or the sign that in the Route of message related to calls (route) header field, add VICP through VICP;
Step 304～305, VICP is redirected to UE-2 with calling, promptly is that target is sent INVITE with UE-2, and message related to calls INVITE approach CSCF and SCC AS finally arrive UE-2;
Step 306～308, the UE-2 answering call returns the response message of IMS, and such as sending " 200OK " message, " 200OK " message is through CSCF and SCC AS, and through the forwarding of VICP, finally arrives MSC;
Step 309, MSC sends to UE-1 with response message.
So far, set up conversation between UE-1 and UE-2.Among the present invention, because the CS media path only in the visit net of UE-1, therefore, can not take CS long distance link resource.
Embodiment three
Fig. 4 calls out the flow chart of the method embodiment three that inserts through visit ground IMS access point for circuit commutative field of the present invention; As shown in Figure 4, in this example, calling subscriber equipment is that UE-1, called subscriber equipment are UE-2; Wherein, The user of UE-1 is IMS user, initiates the calling to UE-2 through the CS territory, and MSC supports the IMS signaling.The circuit commutative field of this example is called out the method that inserts through visit ground IMS access point and is specifically comprised the steps:
Step 401, UE-1 calls out UE-2 in the CS territory, be the SETUP message of called transmission CS signaling such as the number A with UE-2; Here, UE-1 place network is an access zone network, if not roaming of UE-1, then access zone network is the home network of UE-1.
Step 402, the SETUP message of calling arrives MSC, the message related to calls that MSC sends IMS to the home network of UE-1, the purpose of this message related to calls is the number A of UE-2, carries number or the sign of UE-1, this message related to calls arrives SCC AS through CSCF.
Step 403 after SCC AS receives message related to calls, is confirmed VICP according to number or the sign of UE-1; And require MSC to resend message related to calls; Make it through VICP, such as " 305UseProxy " message of sending the IMS signaling, message is carried number or the sign of VICP.
Step 404, MSC resends message related to calls after receiving and retransmitting message related to calls, and requires this message related to calls through VICP, in the Route header field that is put into message related to calls such as number or sign with VICP.
Step 405, VICP sends to calling subscriber's home network with message related to calls, and such as forwarded call message, message arrives SCC AS through CSCF.
Step 406, SCC AS transmits received message related to calls.
Step 407～408, the UE-2 answering call returns the response message of IMS, and such as sending " 200OK " message, " 200OK " message is through CSCF and SCC AS arrival VICP.
Step 409, VICP is transmitted to MSC with response message, such as sending " 200OK " message.
Step 410, MSC sends to UE-1 with response message.
So far, set up conversation between UE-1 and UE-2.Among the present invention, because the CS media path only in the visit net of UE-1, therefore, can not take CS long distance link resource.
Embodiment four
Fig. 5 calls out the flow chart of the method embodiment four that inserts through visit ground IMS access point for circuit commutative field of the present invention; As shown in Figure 5; In this example, calling subscriber equipment is that UE-1, called subscriber equipment are UE-2, wherein; The user of UE-1 is the user of IMS, sets up through the CS territory to be connected with the medium of UE-2.The circuit commutative field of this example is called out the method that inserts through visit ground IMS access point and is specifically comprised the steps:
Step 501, the called number that UE-1 asks follow-up CS to call out in the IMS territory to calling subscriber's SCC AS carries real called party number and/or sign that follow-up CS calls out, such as the INVITE that sends the IMS signaling; Here, UE-1 place network is an access zone network, if not roaming of UE-1, then access zone network is the home network of UE-1.
Step 502, the INVITE request message of IMS are through VICP (because of VICP is the IMS access point), and VICP transmits request message to calling subscriber's SCC AS.
Step 503～step 504 after SCC AS receives request message, is learnt request message through VICP, then be the called number B that the follow-up CS of this call distribution calls out, and send to UE through VICP; This number B points to VICP, the called number C that SCC AS also can distribute follow-up CS to call out, and number C points to SCCAS.
Step 505; If SCC AS carries out the operation of assignment numbers B; Then UE-1 calls out called number B in the CS territory, such as the SETUP message of sending the CS signaling, if not; Then UE-1 obtains the number B of VICP according to the VICP information (like aforesaid number information prefix part) that comprises in the number of UE-1 or sign (such as the URI) information, and calls out called number B in the CS territory.
Step 506, the SETUP message of calling arrives MSC, and VICP is given in the MSC forwarded call.
Step 507, SCC AS is given in the VICP forwarded call.
Step 508, SCC AS is number A or the sign of UE-2 by the target that prior art is redirected the message related to calls of receiving, and transmits received message related to calls.
Step 509～step 510, the UE-2 answering call returns the response message of IMS, and such as sending " 200OK " message, " 200OK " message is through CSCF and SCC AS arrival VICP.
Step 511, VICP is transmitted to MSC with response message, such as sending " 200OK " message, if the MSC transmission is IAM message, after then IAM message can be translated into ANM by MGCF, redispatches to MSC.
Step 512, MSC sends to UE-1 with response message.
So far, set up conversation between UE-1 and UE-2.Among the present invention, because the CS media path only in the visit net of UE-1, therefore, can not take CS long distance link resource.
Among the present invention, the VICP among the foregoing description one, embodiment two, embodiment three and the embodiment four is specially ATCF, or P-CSCF, or IBCF, or has the MSC of IMS access function.
The present invention has put down in writing a kind of circuit commutative field simultaneously and has called out the system that inserts through visit ground IMS access point; Comprise MSC, VICP, UE and SCC AS; Said network element has following function, slightly has any different with the respective network elements in the existing network, below introduces it in detail.
Said MSC or UE are used for the VICP information to SCC AS inquiry calling subscriber, or obtain VICP information according to said calling subscriber's number or identification information, and send message related to calls through the corresponding VICP of said VICP information.
Said VICP is used to transmit said message related to calls.
Said SCC AS, be used to receive said message related to calls after, when the target of confirming said message related to calls was said VICP, the target that is redirected said message related to calls was called number or sign.
Said MSC further sends calling number or identification information through Intellight network mode or CAMEL mode, or said MSC or said UE use IMS signaling transmission calling number or identification information; After said calling number or identification information arrived said SCC AS, said SCC AS further confirmed said calling subscriber's VICP information according to said dialing number information, and returned VICP information and give said MSC or said UE.
Above-mentioned VICP is ATCF, or P-CSCF, or IBCF, or has the MSC of IMS access function.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (13)
1. a circuit commutative field is called out the method that inserts through visit ground IMS access point, it is characterized in that said method comprises:
Mobile switching centre (MSC) or subscriber equipment (UE) to business continuously with pooled applications server (SCCAS) inquiry calling subscriber's IMS control point (VICP), visit ground information, or according to said calling subscriber's number or sign acquisition VICP information; Said MSC or said UE send message related to calls through the corresponding VICP of said VICP information.
2. method according to claim 1 is characterized in that said calling subscriber's number carries VICP information, or comprises VICP information in said calling subscriber's the sign.
3. method according to claim 1 and 2 is characterized in that, said VICP information is the VICP number, and/or the VICP sign, and/or is used to find the index of VICP.
4. method according to claim 1 is characterized in that, said MSC or said UE are specially to said SCC AS inquiry calling subscriber's VICP information:
Said MSC sends said calling subscriber's number or identification information through Intellight network mode or CAMEL mode, or said MSC or UE use the IMS signaling to send said calling subscriber's number or identification information;
After said calling subscriber's number or identification information arrive said SCC AS, the VICP information that said SCC AS confirms said calling subscriber according to said calling subscriber's number or identification information, and return to said MSC or said UE.
5. method according to claim 1 is characterized in that, said UE is specially to said SCC AS inquiry calling subscriber's VICP information:
Said UE uses the IMS signaling to send message to said SCC AS, and said message is through VICP;
After said message arrived said SCC AS, said SCC AS returned the information of said VICP and gives said UE.
6. method according to claim 1 is characterized in that, said MSC or said UE send message related to calls through the corresponding VICP of said VICP information and be specially:
Said MSC or said UE send with said VICP number or are designated the message related to calls of target, or send the message related to calls that requires through said VICP;
After said VICP receives said message related to calls, transmit said message related to calls.
7. method according to claim 6 is characterized in that, after said SCC AS received said message related to calls, when the target of confirming said message related to calls was said VICP, the target that said SCC AS is redirected said message related to calls was called number or sign.
8. method according to claim 1; It is characterized in that said VICP shifts controlled function entity (ATCF) for visit, or Proxy Call Session Control Function (P-CSCF) entity; Or mutual boundary Control function (IBCF) entity, or has the MSC of IMS access function.
9. a circuit commutative field is called out the system that inserts through visit ground IMS access point, is characterised in that, includes MSC, VICP and SCC AS; Wherein,
MSC is used for the VICP information to SCC AS inquiry calling subscriber, or obtains VICP information according to said calling subscriber's number or sign, and sends message related to calls through the corresponding VICP of said VICP information;
VICP is used to transmit said message related to calls.
10. system according to claim 9; It is characterized in that, also include UE, be used for VICP information to SCCAS inquiry calling subscriber; Or obtain VICP information, and through the corresponding VICP transmission message related to calls of said VICP information according to said calling subscriber's number or sign.
11. system according to claim 10 is characterized in that, said SCC AS, be used to receive said message related to calls after, when the target of confirming said message related to calls was said VICP, the target that is redirected said message related to calls was called number or sign.
12. according to claim 9 or 10 described systems; It is characterized in that; Said MSC further sends said calling subscriber's number or identification information through Intellight network mode or CAMEL mode, or said MSC or UE use the IMS signaling to send said calling subscriber's number or identification information;
After said calling subscriber's number or identification information arrive said SCC AS, the VICP information that said SCC AS further confirms said calling subscriber according to said calling subscriber's number or identification information, and the information of said VICP returned to said MSC or UE.
13., it is characterized in that said VICP is ATCF, or P-CSCF, or IBCF according to each described system of claim 9 to 12, or have the MSC of IMS access function.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102956257A CN102420802A (en) | 2010-09-27 | 2010-09-27 | Method and system for accessing circuit switch domain call through visited IMS (IP Multimedia System) access point |
| PCT/CN2011/078861 WO2012041139A1 (en) | 2010-09-27 | 2011-08-24 | Method and system for circuit switch domain call to access network through the visited ims |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102956257A CN102420802A (en) | 2010-09-27 | 2010-09-27 | Method and system for accessing circuit switch domain call through visited IMS (IP Multimedia System) access point |
Publications (1)
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| CN102420802A true CN102420802A (en) | 2012-04-18 |
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| CN2010102956257A Pending CN102420802A (en) | 2010-09-27 | 2010-09-27 | Method and system for accessing circuit switch domain call through visited IMS (IP Multimedia System) access point |
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| CN (1) | CN102420802A (en) |
| WO (1) | WO2012041139A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761929A (en) * | 2012-07-09 | 2012-10-31 | 中兴通讯股份有限公司 | Realizing method of IMS (IP multimedia core network subsystem) session switching and access switching control function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040184435A1 (en) * | 2001-06-20 | 2004-09-23 | Ilkka Westman | System, device and method for providing call forwarding in dual subscription mode |
| CN1794829A (en) * | 2005-03-25 | 2006-06-28 | 华为技术有限公司 | Method of establishing circuit exchange network to IMS network calling route |
| CN1838649A (en) * | 2005-03-25 | 2006-09-27 | 华为技术有限公司 | Building method for calling route from circuit switching network to IMS network |
| CN1913504A (en) * | 2005-08-08 | 2007-02-14 | 华为技术有限公司 | Route path control method, system and device |
| CN1913503A (en) * | 2005-08-08 | 2007-02-14 | 华为技术有限公司 | Control method and system of session route path |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7724753B2 (en) * | 2005-06-24 | 2010-05-25 | Aylus Networks, Inc. | Digital home networks having a control point located on a wide area network |
| CN101569153B (en) * | 2006-12-21 | 2016-05-11 | 艾利森电话股份有限公司 | It is overlapping that SCP between GSM and IMS controls |
| KR101194611B1 (en) * | 2008-10-24 | 2012-10-25 | 에스케이텔레콤 주식회사 | System and method for reporting an expiry of the limited fare |
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-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040184435A1 (en) * | 2001-06-20 | 2004-09-23 | Ilkka Westman | System, device and method for providing call forwarding in dual subscription mode |
| CN1794829A (en) * | 2005-03-25 | 2006-06-28 | 华为技术有限公司 | Method of establishing circuit exchange network to IMS network calling route |
| CN1838649A (en) * | 2005-03-25 | 2006-09-27 | 华为技术有限公司 | Building method for calling route from circuit switching network to IMS network |
| CN1913504A (en) * | 2005-08-08 | 2007-02-14 | 华为技术有限公司 | Route path control method, system and device |
| CN1913503A (en) * | 2005-08-08 | 2007-02-14 | 华为技术有限公司 | Control method and system of session route path |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761929A (en) * | 2012-07-09 | 2012-10-31 | 中兴通讯股份有限公司 | Realizing method of IMS (IP multimedia core network subsystem) session switching and access switching control function |
| CN102761929B (en) * | 2012-07-09 | 2017-12-29 | 中兴通讯股份有限公司 | IMS sessions switching method and access switching control function device |
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| WO2012041139A1 (en) | 2012-04-05 |
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